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ÇѱÛÁ¦¸ñ(Korean Title) |
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¿µ¹®Á¦¸ñ(English Title) |
Dynamic Transaction Processing in Distributed Real-Time Systems |
ÀúÀÚ(Author) |
À±¿ëÀÍ
Yong-Ik Yoon
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¿ø¹®¼ö·Ïó(Citation) |
VOL 05 NO. 06 PP. 0738 ~ 0747 (1999. 12) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®¿¡¼´Â ºÐ»ê ½Ç½Ã°£ ½Ã½ºÅÛÀÇ Æ¯Â¡ÀÎ ºÐ»ê ó¸® °úÁ¤ÀÇ ½Å·Ú¼ºÀ» Áö¿øÇϱâ À§ÇÑ µ¿Àû Æ®·£Àè¼Ç ó¸® ±¸Á¶¸¦ ¿¬±¸ÇÏ¿´´Ù. ½Ç½Ã°£ ºÐ»ê ó¸® ȯ°æ¿¡¼ µ¿ÀûÀ¸·Î ¹ß»ýÇÏ´Â ½Ç½Ã°£ ºÐ»ê Æ®·£Àè¼Ç 󸮸¦ À§ÇÏ¿© Æ®·£Àè¼Ç ³»¿¡ ÇʼöÀûÀÎ 3°¡Áö ¾ð¾îÀû Ư¼ºµéÀ» Á¦½ÃÇÏ¿´´Ù. ù°´Â Æ®·£Àè¼Ç ³»¿¡ ½Ç½Ã°£ ½Ã½ºÅÛÀÇ °¡Àå Áß¿äÇÑ Æ¯Â¡ÀÎ ½Ã°£ÀûÀÎ Á¦¾à Á¶°ÇµéÀ» Á¤ÀÇ ÇÒ ¼ö ÀÖ´Â ¹æ¾ÈÀ» Á¦½ÃÇÏ°í, µÑ°´Â ºñµ¿±âÀûÀΠó¸® ¼º°ÝÀ» Áö´Ñ ½Ç½Ã°£ Ư¼ºÀ» °í·ÁÇÑ ºñµ¿±âÀû Æ®·£Àè¼Ç ó¸® ¹æ¹ýÀ» Á¦½ÃÇÑ´Ù. ¶ÇÇÑ, ºÐ»ê ó¸® °úÁ¤¿¡¼ ¹ß»ýµÇ´Â ¿¹¿Ü »çÇ×µéÀ» ó¸®Çϱâ À§ÇÏ¿© ±ä±Þ¼ºÀ» °í·ÁÇÑ ´ÙÁß·¹º§ ¿ì¼±¼øÀ§ ½ºÄÉÁÙ¸µ (Multi-Level Priotiry Scheduling)À̶ó ºÎ¸£´Â Æ®·£Àè¼Ç ½ºÄÉÁÙ¸µ ¹æ¾ÈÀ» Á¦½ÃÇÑ´Ù. ±×¸®°í, Á¦½ÃÇÑ ½Ç½Ã°£ ºÐ»ê Æ®·£Àè¼Ç ó¸® ±¸Á¶ÀÇ Å¸´ç¼º ¹× °¡´É¼ºÀ» ÀÔÁõÇϱâ À§ÇÑ ½Ç½Ã°£ Æ®·£Àè¼Ç ó¸® °úÁ¤À» ½Ã¹Ä·¹À̼ÇÀ» ÅëÇÏ¿© Á¦½ÃÇÑ ¾ð¾îÀû Ư¼º¿¡ ´ëÇÑ °í·Á »çÇ×µéÀ» º¸¿©ÁØ´Ù.
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¿µ¹®³»¿ë (English Abstract) |
We propose a dynamic transaction processing model that supports a reliability for distributed real-time processing. For the dynamic processing in distributed real-time transaction systems, we suggest three features that are defined in programming language. First, we propose a specification mode) to explicitly define the time constraints, needs in real-time distributed processing. Second, we describe an asynchronous transaction processing mechanism based on the real-time characteristics. So, we suggest three communication primitives to support asynchronous transaction processing. Lastly, a scheduling policy based on urgent transaction is suggested to manage the exception occurred during the distributed processing This scheduling policy is called multi-level priotiry scheduling (MPLS). Based on three features and scheduling policy, we describe a direction to manage a dynamic transaction processing in distributed real-time systems.
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